Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022	May 31, 2022
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 27.9		$ 27.9		$ 30.8
Effective tax rate	22.10%	18.20%	19.70%	15.80%